CVE-2021-48017

HIGH 7.5

OrbiTeam BSCW Server < 5.2.5 / 7.4.4 Path Traversal via bscw.cgi

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

OrbiTeam BSCW Server 5.x before 5.2.5 and 7.x before 7.4.4 contains an unauthenticated path traversal vulnerability in the style_name parameter of the theme operation. Attackers can send GET requests to /pub/bscw.cgi/<id>?op=theme with ../ sequences in style_name to read local files such as /etc/passwd. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-22.

CWE	CWE-22
Vendor	orbiteam
Product	bscw server
Published	Oct 22, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

OrbiTeam / BSCW Server

5.0.0 < 5.2.5 7.0.0 < 7.4.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

web.archive.org: https://web.archive.org/web/20260421125237/https://sec-consult.com/vulnerability-lab/advisory/multiple-vulnerabilities-in-bscw-server/ packetstorm.news: https://packetstorm.news/files/id/165156/ github.com: https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/orbiteam-bscw-server-lfi.yaml vulncheck.com: https://www.vulncheck.com/advisories/orbiteam-bscw-server-5.2.5-7.4.4-path-traversal-via-bscw-cgi

Credits

Armin Stock (Atos ODS) of SEC Consult Vulnerability Lab 🔍 The Shadowserver Foundation